Patent FR736743A successfully refreshed from Google Patents.
Patent US3589780A successfully refreshed from Google Patents.
US3589780A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bearings
Assignee: GKN Engineering Ltd
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Filing: 1969-05-13
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Granted: 1971-06-29
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Expires: 1989-05-13
Abstract
Abstract A bearing which includes an inner member having an externally coned portion, an outer member, a sleeve located between the coned portion and the outer member, the sleeve having an internal coned surface, corresponding to the surface of the coned portion and the sleeve being urged into engagement with the coned portion by fluid pressure to provide automatic adjustment for radial wear.
Inventors
- 👤 Joseph Arthur Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:48
CPC Classifications
F; F16; F16C; F16C32/00; F16C32/06; F16C32/0681; F16C32/0696; F16C11/00; F16C11/04; F16C17/00; F16C17/10; F16C25/00; F16C25/02; F16C25/04
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
143 words
A bearing assembly comprising a fixed pivot pin and a link having a bearing opening within which the pin is received, the pin having an externally coned portion, a correspondingly internally coned sleeve being positioned within said bearing opening and fixed against rotation relative to the link but movable axially relative thereto, the sleeve providing a bearing for the coned portion of the pivot pin, means being provided for supplying fluid under pressure to act on the sleeve to bias it into bearing engagement with the coned portion so as to take up radial wear therebetween and the bearing openinG having a closed end, a thrust pad being located against said closed end, means being provided to prevent the thrust pad from rotating relative to the bearing opening and means being provided to prevent the sleeve from rotating relative to the thrust pad.
Claim 2
Dependent Claim
143 words
A bearing assembly comprising a fixed pivot pin and a link having a bearing opening within which the pin is received, the pin having an externally coned portion, a correspondingly internally coned sleeve being positioned within said bearing opening and fixed against rotation relative to the link but movable axially relative thereto, the sleeve providing a bearing for the coned portion of the pivot pin, means being provided for supplying fluid under pressure to act on the sleeve to bias it into bearing engagement with the coned portion so as to take up radial wear therebetween and the bearing openinG having a closed end, a thrust pad being located against said closed end, means being provided to prevent the thrust pad from rotating relative to the bearing opening and means being provided to prevent the sleeve from rotating relative to the thrust pad.
Claim 3
Dependent Claim
127 words
A bearing assembly including a pivot pin and an outer member having a closed-ended bearing opening within which the pivot pin is located and from which the pivot pin projects, the pivot pin having an externally coned portion, a correspondingly internally coned sleeve being positioned within the bearing opening of the outer member and being fixed against rotation relative to the outer member but being movable axially relative thereto, the sleeve providing a bearing for the coned portion of the pivot pin and means being provided for feeding lubricating oil under pressure between the opposed conical surfaces of the coned portion and the sleeve to act on the sleeve to bias it into bearing engagement with said coned portion so as to take up radial wear therebetween.
Claim 4
Dependent Claim
127 words
A bearing assembly including a pivot pin and an outer member having a closed-ended bearing opening within which the pivot pin is located and from which the pivot pin projects, the pivot pin having an externally coned portion, a correspondingly internally coned sleeve being positioned within the bearing opening of the outer member and being fixed against rotation relative to the outer member but being movable axially relative thereto, the sleeve providing a bearing for the coned portion of the pivot pin and means being provided for feeding lubricating oil under pressure between the opposed conical surfaces of the coned portion and the sleeve to act on the sleeve to bias it into bearing engagement with said coned portion so as to take up radial wear therebetween.
Claim 5
Dependent Claim
22 words
A bearing assembly according to claim 2 wherein the pivot pin is formed with conduit means for the supply of the fluid.
Claim 6
Dependent Claim
33 words
A bearing assembly according to claim 3 wherein a lubrication channel is provided between the sleeve and the pivot pin at that end of the sleeve which is of the greatest internal diameter.
Claim 7
Dependent Claim
25 words
A bearing assembly according to claim 4 wherein the sleeve is formed with annular grooves interconnected by axial grooves for the flow of the fluid.
Claim 8
Dependent Claim
23 words
A bearing assembly according to claim 3 wherein said conduit means includes a conduit extending for the full length of the pivot pin.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-28 | 1974-12-28 | 1975-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-28 | 1978-12-28 | 1979-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-28 | 1982-12-28 | 1983-06-29 | $7700.00 | Window Closed / Lapsed |